Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 96, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Jul 1, 2001, 10:18 AM CDT for Jefferson County, Texas. It was in force for 42 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Jul 1, 2001, 10:18 AM CDT (15:18 UTC)
- Expired
- Jul 1, 2001, 11:00 AM CDT
- In force
- 42 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Jefferson County, TX
The radar
The Lake Charles radar (KLCH), 80 km from the middle of the area, began a volume at 15:19 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 1, 10:25 AM CDT | Hail 0.75 | Nederland, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 3.3 hours before the alert went out and 81 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 800 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 1198 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KLCH 011519 SVRLCH TXC245-011600- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 1018 AM CDT SUN JUL 1 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... JEFFERSON COUNTY IN SOUTHEAST TEXAS * UNTIL 1100 AM CDT * AT 1008 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES SOUTH OF NEDERLAND...MOVING NORTH AT 10 MPH. * THIS STORM WILL AFFECT THE MID-COUNTY REGION. SEVERE THUNDERSTORMS PRODUCE WINDS IN EXCESS OF 60 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND TORRENTIAL RAIN. CALL 337-477-5285 TO REPORT SEVERE WEATHER TO THE WEATHER SERVICE. LAT...LON 2985 9407 2991 9392 2997 9392 3002 9406
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Lake Charles, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 1, 10:15 AM CDT, 3 minutes earlier.
Area forecast discussion, Jul 1, 10:15 AM CDT, 3 minutes before
SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 1015 AM CDT SUN JUL 01 2001 WATER VAPOR IMAGERY THIS MORNING SHOWS A COUPLE OF MID AND UPPER LEVEL FEATURES NEARBY THE FORECAST AREA. ONE IS CENTERED NORTH OVER SOUTHWEST ARKANSAS/NORTHEAST TEXAS...WHILE THE OTHER IS SOUTH OVER THE WEST CENTRAL GULF...CREATING A GENERAL WEAKNESS IN THE MID AND UPPER LEVELS OVER THE FORECAST AREA. ALSO...MOIST UNSTABLE AIRMASS REMAINS IN PLACE WITH PRECIPITABLE WATER OVER 1.5 INCHES AND CAPES NEAR 4000 J/KG FROM KLCH 12Z UPPER AIR SOUNDING. LOCAL RADARS ALREADY SHOWING SHOWERS AND THUNDERSTORMS ALONG THE JEFFERSON COUNTY COAST PUSHING INLAND WHILE VISIBLE SATELLITE SHOWING BUILD-UPS ALONG THE COASTLINE OF SOUTHWEST AND SOUTH CENTRAL LOUISIANA AS TRIGGER TEMPS IN THE MID 80S ARE BEING REACHED. THEREFORE...WILL SEE GOOD COVERAGE OF SHOWERS AND THUNDERSTORMS AGAIN THIS AFTERNOON. ONLY UPDATE TO ZONES WILL BE TO FRESHEN UP WORDING. .LCH...NONE. .PRELIM NUMBERS... BPT 89/71/87/72 5263 LCH 88/70/86/72 5263 LFT 88/71/85/72 6463 AEX 89/70/88/70 6363 7-RUA
In the hours before
Special weather statement, Jul 1, 6:00 AM CDT, 4 hours 18 minutes before
GMZ450-455-470-475-LAZ027>033-041>045-051>055-TXZ180>182-201-215-216- 011700- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAKE CHARLES LA 600 AM CDT SUN JUL 01 2001 ...SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON... OUT FLOW BOUDARIES ALONG WITH A SEA BREEZE...DEEP TROPICAL MOISTURE...AN UPPER LEVEL TROF TO THE WEST...WILL ENHANCE CHANCES FOR AFTERNOON SHOWERS AND THUNDERSTORMS. SOME OF THESE STORMS MAY BECOME SEVERE DURING THE LATE AFTERNOON HOURS. STORMS ARE EXPECTED TO DISSIPATE DURING THE EVENING HOURS ENDING BEFORE MIDNIGHT. PRIMARY THREAT WITH THESE STORMS TODAY WILL BE DAMAGING WINDS ALONG WITH LARGE HAIL. IN ADDITION...STORMS THIS AFTERNOON WILL MOVE LITTLE WITH LOCALIZED HEAVY RAINFALL EXPECTED. FOR MORE INFORMATION PLEASE VISIT OUR HOME PAGE ON THE INTERNET AT THE FOLLOWING ADDRESS...HTTP//WWW.SRH.NOAA.GOV/LCH (ALL LETTERS SHOULD BE LOWER CASE). K. KUYPER
Nearby
Severe Thunderstorm Warnings in Texas, 2001Every severe thunderstorm warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.